diff options
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/audit_tree.c | 20 | ||||
-rw-r--r-- | kernel/audit_watch.c | 24 | ||||
-rw-r--r-- | kernel/exit.c | 1 | ||||
-rw-r--r-- | kernel/fork.c | 7 | ||||
-rw-r--r-- | kernel/power/snapshot.c | 2 | ||||
-rw-r--r-- | kernel/printk/printk.c | 10 | ||||
-rw-r--r-- | kernel/sched/core.c | 2 | ||||
-rw-r--r-- | kernel/sched/fair.c | 6 | ||||
-rw-r--r-- | kernel/sysctl.c | 11 |
9 files changed, 38 insertions, 45 deletions
diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c index 43c307dc945..67ccf0e7cca 100644 --- a/kernel/audit_tree.c +++ b/kernel/audit_tree.c @@ -912,12 +912,13 @@ static void evict_chunk(struct audit_chunk *chunk) } static int audit_tree_handle_event(struct fsnotify_group *group, + struct inode *to_tell, struct fsnotify_mark *inode_mark, - struct fsnotify_mark *vfsmonut_mark, - struct fsnotify_event *event) + struct fsnotify_mark *vfsmount_mark, + u32 mask, void *data, int data_type, + const unsigned char *file_name) { - BUG(); - return -EOPNOTSUPP; + return 0; } static void audit_tree_freeing_mark(struct fsnotify_mark *entry, struct fsnotify_group *group) @@ -933,19 +934,8 @@ static void audit_tree_freeing_mark(struct fsnotify_mark *entry, struct fsnotify BUG_ON(atomic_read(&entry->refcnt) < 1); } -static bool audit_tree_send_event(struct fsnotify_group *group, struct inode *inode, - struct fsnotify_mark *inode_mark, - struct fsnotify_mark *vfsmount_mark, - __u32 mask, void *data, int data_type) -{ - return false; -} - static const struct fsnotify_ops audit_tree_ops = { .handle_event = audit_tree_handle_event, - .should_send_event = audit_tree_send_event, - .free_group_priv = NULL, - .free_event_priv = NULL, .freeing_mark = audit_tree_freeing_mark, }; diff --git a/kernel/audit_watch.c b/kernel/audit_watch.c index 22831c4d369..2596fac5dcb 100644 --- a/kernel/audit_watch.c +++ b/kernel/audit_watch.c @@ -465,35 +465,27 @@ void audit_remove_watch_rule(struct audit_krule *krule) } } -static bool audit_watch_should_send_event(struct fsnotify_group *group, struct inode *inode, - struct fsnotify_mark *inode_mark, - struct fsnotify_mark *vfsmount_mark, - __u32 mask, void *data, int data_type) -{ - return true; -} - /* Update watch data in audit rules based on fsnotify events. */ static int audit_watch_handle_event(struct fsnotify_group *group, + struct inode *to_tell, struct fsnotify_mark *inode_mark, struct fsnotify_mark *vfsmount_mark, - struct fsnotify_event *event) + u32 mask, void *data, int data_type, + const unsigned char *dname) { struct inode *inode; - __u32 mask = event->mask; - const char *dname = event->file_name; struct audit_parent *parent; parent = container_of(inode_mark, struct audit_parent, mark); BUG_ON(group != audit_watch_group); - switch (event->data_type) { + switch (data_type) { case (FSNOTIFY_EVENT_PATH): - inode = event->path.dentry->d_inode; + inode = ((struct path *)data)->dentry->d_inode; break; case (FSNOTIFY_EVENT_INODE): - inode = event->inode; + inode = (struct inode *)data; break; default: BUG(); @@ -512,11 +504,7 @@ static int audit_watch_handle_event(struct fsnotify_group *group, } static const struct fsnotify_ops audit_watch_fsnotify_ops = { - .should_send_event = audit_watch_should_send_event, .handle_event = audit_watch_handle_event, - .free_group_priv = NULL, - .freeing_mark = NULL, - .free_event_priv = NULL, }; static int __init audit_watch_init(void) diff --git a/kernel/exit.c b/kernel/exit.c index a949819055d..1e77fc64531 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -74,6 +74,7 @@ static void __unhash_process(struct task_struct *p, bool group_dead) __this_cpu_dec(process_counts); } list_del_rcu(&p->thread_group); + list_del_rcu(&p->thread_node); } /* diff --git a/kernel/fork.c b/kernel/fork.c index 294189fc7ac..2f11bbe376b 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1035,6 +1035,11 @@ static int copy_signal(unsigned long clone_flags, struct task_struct *tsk) sig->nr_threads = 1; atomic_set(&sig->live, 1); atomic_set(&sig->sigcnt, 1); + + /* list_add(thread_node, thread_head) without INIT_LIST_HEAD() */ + sig->thread_head = (struct list_head)LIST_HEAD_INIT(tsk->thread_node); + tsk->thread_node = (struct list_head)LIST_HEAD_INIT(sig->thread_head); + init_waitqueue_head(&sig->wait_chldexit); sig->curr_target = tsk; init_sigpending(&sig->shared_pending); @@ -1474,6 +1479,8 @@ static struct task_struct *copy_process(unsigned long clone_flags, atomic_inc(¤t->signal->sigcnt); list_add_tail_rcu(&p->thread_group, &p->group_leader->thread_group); + list_add_tail_rcu(&p->thread_node, + &p->signal->thread_head); } attach_pid(p, PIDTYPE_PID); nr_threads++; diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c index b38109e204a..d9f61a14580 100644 --- a/kernel/power/snapshot.c +++ b/kernel/power/snapshot.c @@ -637,7 +637,7 @@ __register_nosave_region(unsigned long start_pfn, unsigned long end_pfn, BUG_ON(!region); } else /* This allocation cannot fail */ - region = alloc_bootmem(sizeof(struct nosave_region)); + region = memblock_virt_alloc(sizeof(struct nosave_region), 0); region->start_pfn = start_pfn; region->end_pfn = end_pfn; list_add_tail(®ion->list, &nosave_regions); diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index be7c86bae57..f8b41bddc6d 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -757,14 +757,10 @@ void __init setup_log_buf(int early) return; if (early) { - unsigned long mem; - - mem = memblock_alloc(new_log_buf_len, PAGE_SIZE); - if (!mem) - return; - new_log_buf = __va(mem); + new_log_buf = + memblock_virt_alloc(new_log_buf_len, PAGE_SIZE); } else { - new_log_buf = alloc_bootmem_nopanic(new_log_buf_len); + new_log_buf = memblock_virt_alloc_nopanic(new_log_buf_len, 0); } if (unlikely(!new_log_buf)) { diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 3897e09e86a..4d6964e4971 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -1108,6 +1108,7 @@ int migrate_swap(struct task_struct *cur, struct task_struct *p) if (!cpumask_test_cpu(arg.src_cpu, tsk_cpus_allowed(arg.dst_task))) goto out; + trace_sched_swap_numa(cur, arg.src_cpu, p, arg.dst_cpu); ret = stop_two_cpus(arg.dst_cpu, arg.src_cpu, migrate_swap_stop, &arg); out: @@ -4603,6 +4604,7 @@ int migrate_task_to(struct task_struct *p, int target_cpu) /* TODO: This is not properly updating schedstats */ + trace_sched_move_numa(p, curr_cpu, target_cpu); return stop_one_cpu(curr_cpu, migration_cpu_stop, &arg); } diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index b24b6cfde9a..867b0a4b089 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -1250,11 +1250,15 @@ static int task_numa_migrate(struct task_struct *p) p->numa_scan_period = task_scan_min(p); if (env.best_task == NULL) { - int ret = migrate_task_to(p, env.best_cpu); + ret = migrate_task_to(p, env.best_cpu); + if (ret != 0) + trace_sched_stick_numa(p, env.src_cpu, env.best_cpu); return ret; } ret = migrate_swap(p, env.best_task); + if (ret != 0) + trace_sched_stick_numa(p, env.src_cpu, task_cpu(env.best_task)); put_task_struct(env.best_task); return ret; } diff --git a/kernel/sysctl.c b/kernel/sysctl.c index c8da99f905c..332cefcdb04 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -95,8 +95,6 @@ #if defined(CONFIG_SYSCTL) /* External variables not in a header file. */ -extern int sysctl_overcommit_memory; -extern int sysctl_overcommit_ratio; extern int max_threads; extern int suid_dumpable; #ifdef CONFIG_COREDUMP @@ -1121,7 +1119,14 @@ static struct ctl_table vm_table[] = { .data = &sysctl_overcommit_ratio, .maxlen = sizeof(sysctl_overcommit_ratio), .mode = 0644, - .proc_handler = proc_dointvec, + .proc_handler = overcommit_ratio_handler, + }, + { + .procname = "overcommit_kbytes", + .data = &sysctl_overcommit_kbytes, + .maxlen = sizeof(sysctl_overcommit_kbytes), + .mode = 0644, + .proc_handler = overcommit_kbytes_handler, }, { .procname = "page-cluster", |